Sodium Vitrate Injection is used to treat conditions such as osteoarthritis of the knee and periarthritis of the shoulder. Sodium vitrate is the main component of synovial fluid, which plays a lubricating role in the joint cavity and reduces friction between tissues. Injection of sodium vitrate into the joint cavity can improve the inflammatory reaction of synovial tissue, increase the content of sodium vitrate in the synovial fluid, enhance the viscosity and lubrication function of the joint fluid, protect the articular cartilage, promote the healing and regeneration of the articular cartilage, alleviate the pain, and increase the mobility of the joints. It is used for the treatment of knee osteoarthritis and shoulder periarthritis. Possible adverse reactions after injection include: hives, itching of the skin, swelling, pain after administration, redness, heat sensation, localized heaviness, numbness of the joints Elevation of liver enzymes, eosinophilia, leukocytosis, nausea and vomiting, fever, malaise, proteinuria, palpitations (rapid heartbeat, often accompanied by panic), and in severe cases, possible shock. It is contraindicated in patients who are hypersensitive to the components of Sodium Vitrate Injection. Use with caution in patients with hepatic impairment or in patients with abnormalities of the enzyme glutamic transaminase (AST) and glutamic alanine transaminase (ALT), and in patients with skin disorders or infections in the joints where the drug is administered. This product should not be injected into blood vessels and should not be used in ophthalmology. If you need to use sodium vitrate injection please consult a professional doctor, under the guidance of the doctor reasonable use of medication.